Elves have appeared in folk tales and mythology for so long that we don’t actually know when they were first invented, but we do know who came up with the idea that elves are immortal. That was J.R.R. Tolkien, who redefined the pointy-eared mythological species in The Hobbit and his Lord of the Rings trilogy. Now, almost a century later, The Lord of the Rings: The Rings of Power has managed to do something truly unique using the rules established by Tolkien back in 1937.
